Jedidiah "Jed" Lawrence is Topanga's father and Rhiannon's (ex-)husband. He seems fond of Cory, although he was always intimidated by Shawn's womanizing reputation. Jedidiah is a luthier, meaning he makes guitars for a living. He also called Topanga "Tippy" when she was younger.

Cory journeys to Pittsburgh in For Love and Apartments to convince Jedidiah to see his wife, but misunderstands the situation. He does not know that Rhiannon kicked out Jedidiah because he fell in love with another woman, Marie.

Briefly appeared in No Such Thing As A Sure Thing to tell Topanga of the true nature of his separation from her mother. He was quickly kicked out.